Stop and waste cock.



PATENTED AUG. 1-3, 1907.

J; P. PARLEY! STOP AND WASTE 000K. APPLICATION TILED JULY 29. 1902.

JOHN P. FARLEY, OF KANSAS CITY, MISSOURI.

STOP AND WASTE COOK.

Specification of Letters Patent.

Patented Aug. 13, 1907.

Application filed July 29, 1902. Serial No- 117,446.

' Cocks, of which the following is a specification.

My invention relates to stop and waste cocks, and has for its obj ect to produce a structure of this character which operates efiiciently and is of simple, strong, durable and cheap construction.

The invention essentially consists in a casing, provided with a vertical passage, and oppositely extending horizontal passages communicating at their inner ends with the vertical passage, one above the other, and with guide sockets in line with the horizontal passages but at opposite sides of and also communicating I with the vertical passage, pressure closed valves for said horizontal passages and having their stems provided with vertical slots or notches, a double-camshaft engaging said slots or notches to synchronously operate the valves, and a weighted lever connected to said double-cam shaft to assist the pressure in holding the inlet valve closed and the outlet valve open.

The invention further consists in certain novel and peculiar features of construction and organization as hereinafter described and claimed, and in order that it may be fully understood, reference is to be had to the accompanying drawing, in which Figure l, is acentral vertical section of a stop and waste cock embodying the invention, said figine also embracing the major portion of the weighted lever. Fig. 2, is a horizontal section of the same, taken in the plane of the dotted line II, of Fig. 1. Fig. 3, represents a detached perspective view of the inlet and outlet valve mechanisms, and of the double-cam lever for synchronously operating the same.

In the said drawings,1 designates the base of the casing, 2 the vertical passage thereof, communicating through the detachable pipe coupling 3, with the housepipe, and projecting horizontally in opposite directions and indifferent horizontal planes from the casing, are the tubular bosses 4 and 5, the former providing the inlet passage 6, and coupled in the usual manner, as at 7, to the supply pipe, the tubular boss 4 having avalve seat formed therein and the boss 5 forming the outlet passage 8, communicating withatubular nut 9, coupled in the usual manner as at 10, with the drain-pipe.

Diametrically and centrally opposite passage 6, is a guide socket 11, and diametrically and centrally opposite passage 8 is a similar guide socket 12.

In the front wall of the casing centrally of and between said passages 6 and 8, is an opening 13, in which is screwed a tubular nut 14, which constitutes a box or bearing for the rock-shaft 15, a water-tight joint being established by means of an ordinary packing nut 16.

The inner end of the shaft is provided, within passage 1 2, with oppositely projecting cams l7, engaging the vertical and tangential notches or slots 20, of valve stems l8 and 19, respectively, the former stem fitting in guide socket 11, at its inner end and provided with a valve 2], at its outer end, which valve is adapted when closed to engage valve seat 22 of said passage 6. Valve stem 19 likewise engages and is received in its guide socket 12 at one end, and at its opposite end, is provided with a valve 23 to engage valve seat 24, formed at the inner end of tubular coupling nut 9; said grooved guide stem 25, which iits snugly in tubular nut 9 and at the same time does not impede the escape of the waste water when valve 23 is unseated.

26 designates a weighted lever secured in the usual manner on the outer end of shaft 15, and having its free end weighted as at 27, and provided with a perforated rib 28, to which a chain extending to the point desired may be attached for the usual pin-pose. This weighted lever ordinarily holds the parts in the position shown in dotted lines Fig. 1, that is, the valve in the inlet valve passage is held in closed position, and the valve in the outlet or drain passage is retained in open position, the water pressure from the supply pipe upon valve 21 materially assisting in establishing and maintaining such relation.

To open the valve, the chain (not shown) is pulled, the result being the free or weighted end of the lever is raised and the double-cam shaft rocked to the position shown in full lines in Fig. 1. This action of the cam shaft synchronously unseats valve 21, to admit water from the supply pipe to the house-pipe and seats valve 23 to prevent the escape of water through the drain-pipe. By lowering said weighted lever, valves 21 and 23 are synchronously closed and opened, respectively, in order that the surplus water in the house-pipe may escape through the drain-pipe, the inlet valve being held closed tightly by the pressure thereon of the water in the supply-pipe, and when said valve is open the same pressure serves to hold valve 23 tightly against its seat to prevent waste of water.

In the various operations of the valves, they are sustained by having a bearing at or near each end, these bearings tending to largely eliminate the water-hammering action which invariably occurs in step and Waste cocks where the valves are guided in their reciprocatory action only at or near one end.

The valve stems l8 and 18 are each provided with shoulders 30, 30 from which the reduced ends of the valve stems project, which reduced ends 31, 31 are received in the sockets 11 and 12, the shoulders abutting the walls of the casing to limit the movement of the valves.

From the above description it will be apparent that I have produced a stop and waste cock embodying the features of advantage enumerated as desirable in the stem also provided with an extension in the form of a Statement of inventon and which Obviously, is drain valve seat with its stem projecting at opposite sides ceptible of modification in various particulars without departing from the principle of construction involved.

Having thus described the invention What I claim as new and desire to secure by Letters-Patent, is

A combined stop and waste cock, comprising a case having opposite substantially parallel inlet and drain pas sages provided at their inner ends with guide sockets, an outlet passage at substantially right angles to the firstinentioned passages with its inner end intersecting the opposite sides of the inner end of the inlet passage and the inner side of the drain passage, whereby the three passages are in mutual communication, a valve seat for each of the inlet and drain passages, a valve for the inlet valve seat with its steni working across the outlet passage and in the socket at the inner end of the inlet passage, a valve for the thereof, the inner stein portion working across the outlet passage and in the adjacent guide socket, the outer stem portion having longitudinal wings working in the drain passage to permit draining of the water when the drain valve is open. said inlet and drainwalve stems having ver tical recesses intermediate their inner ends and their re spective valves, and a controlling rock-bar-piercing the outlet passage between the inlet and drain passages and provided with a cross-head engaging said recesses for simultaneously shifting the stems endwise in opposite directions.

In testimony whereof I afiiix my signature, in the presence of two witnesses.

JOHN P. FARLEY.

Witnesses II. C. Ronenns, G. Y. TI-IORIE, 

